#include<stdio.h>

int AddToTarget(int begin, int end)
{
  int sum = 0;
  for(int i=begin; i<=end; i++)
  {
    sum += i;
  }
  return sum;
}
int main()
{
  printf("run begin...\n");

  int result = 0;
  result = AddToTarget(1,100);
  printf("%d\n",result);
  printf("run end\n");
  return 0;
}
